278381880

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1601}}^1$

素因数の和:1651

約数の個数: 256

約数和(自身を含む): 1107302400

約数和(自身を除く): 828920520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 23, 24, 27, 28, 30, 35, 36, 40, 42, 45, 46, 54, 56, 60, 63, 69, 70, 72, 84, 90, 92, 105, 108, 115, 120, 126, 135, 138, 140, 161, 168, 180, 184, 189, 207, 210, 216, 230, 252, 270, 276, 280, 315, 322, 345, 360, 378, 414, 420, 460, 483, 504, 540, 552, 621, 630, 644, 690, 756, 805, 828, 840, 920, 945, 966, 1035, 1080, 1242, 1260, 1288, 1380, 1449, 1512, 1601, 1610, 1656, 1890, 1932, 2070, 2415, 2484, 2520, 2760, 2898, 3105, 3202, 3220, 3780, 3864, 4140, 4347, 4803, 4830, 4968, 5796, 6210, 6404, 6440, 7245, 7560, 8005, 8280, 8694, 9606, 9660, 11207, 11592, 12420, 12808, 14409, 14490, 16010, 17388, 19212, 19320, 21735, 22414, 24015, 24840, 28818, 28980, 32020, 33621, 34776, 36823, 38424, 43227, 43470, 44828, 48030, 56035, 57636, 57960, 64040, 67242, 72045, 73646, 86454, 86940, 89656, 96060, 100863, 110469, 112070, 115272, 134484, 144090, 147292, 168105, 172908, 173880, 184115, 192120, 201726, 216135, 220938, 224140, 257761, 268968, 288180, 294584, 302589, 331407, 336210, 345816, 368230, 403452, 432270, 441876, 448280, 504315, 515522, 552345, 576360, 605178, 662814, 672420, 736460, 773283, 806904, 864540, 883752, 994221, 1008630, 1031044, 1104690, 1210356, 1288805, 1325628, 1344840, 1472920, 1512945, 1546566, 1657035, 1729080, 1988442, 2017260, 2062088, 2209380, 2319849, 2420712, 2577610, 2651256, 3025890, 3093132, 3314070, 3866415, 3976884, 4034520, 4418760, 4639698, 4971105, 5155220, 6051780, 6186264, 6628140, 6959547, 7732830, 7953768, 9279396, 9942210, 10310440, 11599245, 12103560, 13256280, 13919094, 15465660, 18558792, 19884420, 23198490, 27838188, 30931320, 34797735, 39768840, 46396980, 55676376, 69595470, 92793960, 139190940, 278381880]

約数ペア:

[(1, 278381880), (2, 139190940), (3, 92793960), (4, 69595470), (5, 55676376), (6, 46396980), (7, 39768840), (8, 34797735), (9, 30931320), (10, 27838188), (12, 23198490), (14, 19884420), (15, 18558792), (18, 15465660), (20, 13919094), (21, 13256280), (23, 12103560), (24, 11599245), (27, 10310440), (28, 9942210), (30, 9279396), (35, 7953768), (36, 7732830), (40, 6959547), (42, 6628140), (45, 6186264), (46, 6051780), (54, 5155220), (56, 4971105), (60, 4639698), (63, 4418760), (69, 4034520), (70, 3976884), (72, 3866415), (84, 3314070), (90, 3093132), (92, 3025890), (105, 2651256), (108, 2577610), (115, 2420712), (120, 2319849), (126, 2209380), (135, 2062088), (138, 2017260), (140, 1988442), (161, 1729080), (168, 1657035), (180, 1546566), (184, 1512945), (189, 1472920), (207, 1344840), (210, 1325628), (216, 1288805), (230, 1210356), (252, 1104690), (270, 1031044), (276, 1008630), (280, 994221), (315, 883752), (322, 864540), (345, 806904), (360, 773283), (378, 736460), (414, 672420), (420, 662814), (460, 605178), (483, 576360), (504, 552345), (540, 515522), (552, 504315), (621, 448280), (630, 441876), (644, 432270), (690, 403452), (756, 368230), (805, 345816), (828, 336210), (840, 331407), (920, 302589), (945, 294584), (966, 288180), (1035, 268968), (1080, 257761), (1242, 224140), (1260, 220938), (1288, 216135), (1380, 201726), (1449, 192120), (1512, 184115), (1601, 173880), (1610, 172908), (1656, 168105), (1890, 147292), (1932, 144090), (2070, 134484), (2415, 115272), (2484, 112070), (2520, 110469), (2760, 100863), (2898, 96060), (3105, 89656), (3202, 86940), (3220, 86454), (3780, 73646), (3864, 72045), (4140, 67242), (4347, 64040), (4803, 57960), (4830, 57636), (4968, 56035), (5796, 48030), (6210, 44828), (6404, 43470), (6440, 43227), (7245, 38424), (7560, 36823), (8005, 34776), (8280, 33621), (8694, 32020), (9606, 28980), (9660, 28818), (11207, 24840), (11592, 24015), (12420, 22414), (12808, 21735), (14409, 19320), (14490, 19212), (16010, 17388)]